Improvement in straw-cutting knives



UNITED STATES PATENT OFFICE.

GREY UTLEY, OF PETERSBURG, VIRGINIA.

IMPROVEMENT IN STRAW-CUTTING KNIVES.

Specification forming part of Letters Patent No. 54,446, dated May 1,1866.

To all whom it may concern:

Be it known that I, GREY U'rLEY,of Petersburg, Dinwiddie county, Stateof Virginia, have invented new and useful Improvementsv on Knives forStraw-Gutters 5 and I do hereby declare the following to be an exactdescription thereof, reference being had to the accompanying drawings,and to the letters of reference marked thereon, making a part of thisspecification.

The nature of my invention consists in constructing the face of theknife with vertical and angular grooves, so as to form diagonalshapedteeth beveled on the opposite side.

Figure l represents the shapeof the blade or knife with its vertical andangular grooves nn its face. Fig. 2 shows the bevel-edges; Fig. 3, a topview of the blade.

. A is a series of diagonal edges or teeth, formed by the angular orincline vertical grooves B on the face of the knife, and by abevel-edge, C, on the front of the knife, ex-

tending to a point, D, at the center in a con- What I claim as myinvention, and desire to secure by Letters Patent, is-

The construction ofthe blade of the knife having the vertical andangular 'groovesy on its face to form the diagonal-shaped teeth, asherein described, and for the purposes set forth.

. GREY UTLEY.

Witnesses:

J. FRANKLIN REIGART, EDM. F. BROWN.

